An Easy Aux Input

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Feb 8, 2009 | 08:26 AM

hvacguy

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Joined: Dec 2008

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From: Taylors, SC

An Easy Aux Input

I have read many posts about different devices that can add an aux input to the factory 6 disc in dash changer (w/o the DVD option). Mine is an '04 Limited 4x4 and the factory stereo configuration is as above with the only factory extras being the steering wheel control and the rear seat / dual zone control on the rear of console. I really wanted to keep that configuration. I like the steering wheel control, and I like that my daughter can plug in headphones and listen to CD's while the wife and I listen to something else. However, I also wanted the ability to plug in a MP3 player. I saw a thread here with a brief mention about an inline FM modulator from Crutchfield's, but I don't recall seeing any follow-up or detail. I bought one of them from Crutchfield’s the other day and installed it Friday. It is made by a company named Scosche, m/n FMM0D02, total cost with shipping was $57.00. We were able to take a couple hour trip yesterday, and I have to say that it works. It is very acceptable. I removed the radio with the removal tools purchased at the local O'Reilys and began the installation. The antenna cable unplugs from the back of the factory unit and plugs into the female pigtail on the modulator. The male end plugs into the factory unit. No adaptors were needed. I found the switched hot and the ground on the factory plug with a test light, an ohm meter, and a wiring diagram out of the manual and used scotch lock connectors to make the connections (I hate those things, but I did not want to cut the harness in case I returned the modulator). Here was the only problem I ran into. I used the blue colored scotch locks. They fit the factory harness fine, but the wires on the modulator were of a smaller gauge and were not making a good connection (that’s why I hate ‘em). I ended up removing the insulation from about a half inch off the end of the modulator wire and folding it back over the wire so that the bare wire was sure to make contact. That solved it. Perhaps a red scotch lock would have been better. I think they are for smaller gauge wire. I placed the 1/8 inch phono jack and illuminated switch assembly below the dash. I actually used the included double sided tape and stuck it on the right side of the bracket that holds my brake controller. It's a good place and easily accessible. We will see if the tape holds up. If not, a counter sunk screw can be used later. How does it work? Tune the radio to 88.3, turn on the switch, and turn on your MP3 player. I also need to mention that there is a local radio station on that same frequency. I get zero bleed over. I plan to evaluate over the next month, but for now I am very satisfied with it.

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Feb 8, 2009 | 11:46 AM

ReAX

Post Fiend

Joined: May 2006

Posts: 10,007

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From: Central Florida

Plug in modulators are much nicer than Transmitter modulators. However FM radio uses a pretty narrow audible frequency range. I think it's 40Hz through 16000Hz, which isn't bad, but not the full capability of lossless codecs available for some MP3 players. LAME MP3 is about middle of the road between FM and Lossless, so you are missing some sounds.

Feb 8, 2009 | 01:11 PM

Immortal_Ben

Fleet Mechanic

Joined: Nov 2007

Posts: 1,993

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From: Colorado

I have thought about installing an aux input, but I am usually satisfied with my FM transmitter for my ipod. Usually.

Feb 8, 2009 | 05:34 PM

shadetreetx

5th Wheeling

Joined: Dec 2007

Posts: 28

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use rear DVD aux input

Have a 2002 Limited and just plug the IPOD into the aux inputs on the DVD player.
Fast, easy and all your control still work.
All it takes is a mini jack cable with RCA ends.
Less than $5 at most big box stores.
Bob